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5 Commits

Author SHA1 Message Date
Lawrence Hu e58a814c07 Enable loopreroll for sext of loop control only IV 
This patch extend loopreroll to allow the instruction chain
        of loop control only IV has sext.

        Differential Revision: http://reviews.llvm.org/D19820

llvm-svn: 269121
 2016-05-10 21:16:49 +00:00
Lawrence Hu fe7c87beac Revert r26084: Enable loopreroll for sext of loop control only IV 
llvm-svn: 269119
 2016-05-10 21:11:09 +00:00
Lawrence Hu 4c623d27b5 Revert r269093: Enable loopreroll for sext of loop control only IV 
llvm-svn: 269117
 2016-05-10 21:04:28 +00:00
Lawrence Hu b68f16e007 Enable loopreroll for sext of loop control only IV 
This patch extend loopreroll to allow the instruction chain
    of loop control only IV has sext.

    Differential Revision: http://reviews.llvm.org/D19820

llvm-svn: 269093
 2016-05-10 18:00:42 +00:00
Lawrence Hu 8cc3b37d2c Enable loopreroll for sext of loop control only IV 
This patch extend loopreroll to allow the instruction chain
    of loop control only IV has sext.

llvm-svn: 269084
 2016-05-10 17:42:27 +00:00